Re: [PATCH 04/10] clocksource: Add max_cycles to clocksource structure

[Stephen Boyd]

On 01/09/2015 04:34 PM, John Stultz wrote:
> diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
> index abcafaa..9b54cb9 100644
> --- a/include/linux/clocksource.h
> +++ b/include/linux/clocksource.h
> @@ -178,7 +178,7 @@ struct clocksource {
>  #ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
>  	struct arch_clocksource_data archdata;
>  #endif
> -
> +	u64 max_cycles;

Nitpick: Update kernel-doc for new field?

>  	const char *name;
>  	struct list_head list;
>  	int rating;
> @@ -291,7 +291,8 @@ extern struct clocksource * __init clocksource_default_clock(void);
> diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
> index c794b84..2910f00 100644
> --- a/kernel/time/sched_clock.c
> +++ b/kernel/time/sched_clock.c
> @@ -126,7 +126,7 @@ void __init sched_clock_register(u64 (*read)(void), int bits,
>  	new_mask = CLOCKSOURCE_MASK(bits);
>  
>  	/* calculate how many ns until we risk wrapping */
> -	wrap = clocks_calc_max_nsecs(new_mult, new_shift, 0, new_mask);
> +	wrap = clocks_calc_max_nsecs(new_mult, new_shift, 0, new_mask, 0);

Should be NULL instead of 0? Otherwise I think sparse would complain.

Otherwise:

Acked-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>

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